GB1595203A - Devices for compensating spurious magnetic fields in charged particle beam apparatus - Google Patents

Devices for compensating spurious magnetic fields in charged particle beam apparatus Download PDF

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Publication number
GB1595203A
GB1595203A GB28358/77A GB2835877A GB1595203A GB 1595203 A GB1595203 A GB 1595203A GB 28358/77 A GB28358/77 A GB 28358/77A GB 2835877 A GB2835877 A GB 2835877A GB 1595203 A GB1595203 A GB 1595203A
Authority
GB
United Kingdom
Prior art keywords
probe
compensating
electromagnet means
pole
beam path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB28358/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Steigerwald Strahltecknik GmbH
Original Assignee
Steigerwald Strahltecknik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Steigerwald Strahltecknik GmbH filed Critical Steigerwald Strahltecknik GmbH
Priority to GB28358/77A priority Critical patent/GB1595203A/en
Priority to FR7819969A priority patent/FR2396619A1/fr
Priority to JP8151078A priority patent/JPS5417598A/ja
Priority to DE2829784A priority patent/DE2829784C2/de
Priority to US05/922,503 priority patent/US4223200A/en
Priority to IT7850193A priority patent/IT7850193A0/it
Publication of GB1595203A publication Critical patent/GB1595203A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0013—Positioning or observing workpieces, e.g. with respect to the impact; Aligning, aiming or focusing electronbeams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Measuring Magnetic Variables (AREA)
GB28358/77A 1977-07-06 1977-07-06 Devices for compensating spurious magnetic fields in charged particle beam apparatus Expired GB1595203A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB28358/77A GB1595203A (en) 1977-07-06 1977-07-06 Devices for compensating spurious magnetic fields in charged particle beam apparatus
FR7819969A FR2396619A1 (fr) 1977-07-06 1978-07-05 Appareil pour l'usinage de materiaux au moyen d'un faisceau de porteurs de charges passant a travers un champ magnetique perturbateur
JP8151078A JPS5417598A (en) 1977-07-06 1978-07-06 Method of and device for compensating spurious magnetic field
DE2829784A DE2829784C2 (de) 1977-07-06 1978-07-06 Gerät zur Materialbearbeitung mittels eines durch ein Störmagnetfeld verlaufenden Ladungsträgerstrahles
US05/922,503 US4223200A (en) 1977-07-06 1978-07-06 Charged particle beam processing with magnetic field compensation
IT7850193A IT7850193A0 (it) 1977-07-06 1978-07-06 Apparecchio per la lavorazione dimateriale mediante un fascio di particelle cariche in particolare fascio di elettroni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28358/77A GB1595203A (en) 1977-07-06 1977-07-06 Devices for compensating spurious magnetic fields in charged particle beam apparatus

Publications (1)

Publication Number Publication Date
GB1595203A true GB1595203A (en) 1981-08-12

Family

ID=10274402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28358/77A Expired GB1595203A (en) 1977-07-06 1977-07-06 Devices for compensating spurious magnetic fields in charged particle beam apparatus

Country Status (6)

Country Link
US (1) US4223200A (ko)
JP (1) JPS5417598A (ko)
DE (1) DE2829784C2 (ko)
FR (1) FR2396619A1 (ko)
GB (1) GB1595203A (ko)
IT (1) IT7850193A0 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154031A (en) * 1984-02-04 1985-08-29 Licentia Gmbh Stray-field-controlled magnetic self-protection

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677083A (en) * 1979-11-27 1981-06-25 Mitsubishi Heavy Ind Ltd Welding by electron beam
US4673794A (en) * 1985-05-10 1987-06-16 National Research Institute For Metals Electron beam welding method
FR2622490A1 (fr) * 1987-10-28 1989-05-05 Framatome Sa Procede et dispositif de soudage de deux pieces a l'aide d'un faisceau d'electrons
US4845370A (en) * 1987-12-11 1989-07-04 Radiation Dynamics, Inc. Magnetic field former for charged particle beams
DE10084761T1 (de) * 1999-07-02 2002-07-11 Michael Mauck Verfahren und Gerät zum gleichzeitigen Abscheiden und Beobachten von Materialien auf einem Target
JP2003068603A (ja) * 2001-08-23 2003-03-07 Nikon Corp 荷電粒子線露光装置
US6617547B1 (en) 2002-09-10 2003-09-09 Ilich Abdurachmanov Arc stray controlling welding apparatus
US6888090B2 (en) * 2003-01-07 2005-05-03 General Electric Company Electron beam welding method
US7521691B2 (en) * 2006-12-08 2009-04-21 Varian Semiconductor Equipment Associates, Inc. Magnetic monitoring of a Faraday cup for an ion implanter
AU2010295585B2 (en) 2009-09-17 2015-10-08 Sciaky, Inc. Electron beam layer manufacturing
EP2555902B1 (en) 2010-03-31 2018-04-25 Sciaky Inc. Raster methodology for electron beam layer manufacturing using closed loop control
US9383460B2 (en) 2012-05-14 2016-07-05 Bwxt Nuclear Operations Group, Inc. Beam imaging sensor
US9535100B2 (en) 2012-05-14 2017-01-03 Bwxt Nuclear Operations Group, Inc. Beam imaging sensor and method for using same
RU2547367C2 (ru) * 2013-07-18 2015-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный аэрокосмический университет имени академика М.Ф. Решетнева" (СибГАУ) Устройство для электронно-лучевой сварки

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854536A (en) * 1928-01-31 1932-04-19 American Rolling Mill Co Magnetic arc control
US2844705A (en) * 1955-12-29 1958-07-22 Trent Tube Company Elding method and apparatus
US2994763A (en) * 1959-12-10 1961-08-01 Gen Electric Arc stray control
US3626145A (en) * 1970-02-02 1971-12-07 Armco Steel Corp Magnetic control of arc environment
DE2608954A1 (de) * 1976-03-01 1977-09-08 Siemens Ag Anordnung zur kompensation der von aeusseren magnetfeldern hervorgerufenen stoerungen bei einem korpulskularstrahlgeraet
FR2390812B1 (fr) * 1977-05-13 1985-11-08 Steigerwald Strahltech Procede et appareillage pour bombardement energetique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154031A (en) * 1984-02-04 1985-08-29 Licentia Gmbh Stray-field-controlled magnetic self-protection
US4823081A (en) * 1984-02-04 1989-04-18 Licentia Patent-Verwaltungs-Gmbh Interference magnetic field compensation method which includes supplying a current to a coil to compensate the field

Also Published As

Publication number Publication date
JPS5417598A (en) 1979-02-08
DE2829784C2 (de) 1987-01-15
FR2396619A1 (fr) 1979-02-02
JPS5519718B2 (ko) 1980-05-28
DE2829784A1 (de) 1979-01-25
US4223200A (en) 1980-09-16
FR2396619B1 (ko) 1984-08-31
IT7850193A0 (it) 1978-07-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee